Science ❯ Geology ❯ Seismology

Earthquake Measurement

Magnitude Scale Magnitude Richter Scale US Geological Survey Impact Assessment Magnitude Scales Tsunami Generation USGS Seismic Waves Magnitude and Depth

Magnitude 6.7 Quake Off Ofunato Jolts Tohoku With No Tsunami Threat

Rail checks follow a month of elevated seismic activity.

Brawley Earthquake Swarm Eases After 350-Plus Quakes With Magnitude 4.7 Peak

Magnitude 3.3–3.4 Quake Near Redlands Shakes Inland Empire

Magnitude 3.3 Earthquake Shakes Redlands Area Near Riverside

Moderate Quake Rattles Western Nevada Near Silver Springs

Magnitude 6.2 Quake Shakes Hokkaido With No Tsunami Warning

Two Small Quakes Strike Near San Francisco Zoo

Deep Hindu Kush Quakes Send Tremors Across India and Pakistan

Light Earthquake Shakes Leipzig Area With No Damage Expected

Magnitude 3.9 Quake North of Ottawa Felt Across Eastern Canada and U.S. Northeast

Magnitude 5.5 Earthquake Shakes Western Nevada Near Silver Springs

Magnitude 4.7 Quake Shakes Maharashtra’s Hingoli District

Hindu Kush Quake Felt Across India and Pakistan as Kabul House Collapse Kills 8

Magnitude 4.6 Quake Rattles Bay Area From Epicenter Near Boulder Creek

Magnitude 7.4 Quake Strikes Indonesia's Molucca Sea as Tsunami Alert Lifts

Powerful Quake Strikes Eastern Indonesia as Tsunami Alert Lifted

Major Quake Off Eastern Indonesia Triggers Regional Tsunami Warnings

Magnitude 7.3 Earthquake Strikes Near Vanuatu’s Luganville as PTWC Reports No Tsunami Threat

Magnitude 5.4 Quake Rattles Northern Pakistan With No Damage Reported

Two Shallow Quakes Strike Leh, Ladakh, Strongest at Magnitude 4.7